Home / 14,724.93-20,320.41-8,349.48

Finding the Fourth Proportional to 14,724.93, 20,320.41 and 8,349.48

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Solution

The fourth proportional to 14,724.93, 20,320.41 and 8,349.48 is: 11,522.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,724.93 : 20,320.41 = 8,349.48 : x
  2. Step 2: Convert to fraction form
    14,724.93/20,320.41 = 8,349.48/x
  3. Step 3: Cross multiply
    14,724.93x = 20,320.41 × 8,349.48
  4. Step 4: Simplify right side
    14,724.93x = 169,664,888.20
  5. Step 5: Solve for x
    x = 169,664,888.20/14,724.93
  6. Step 6: Final answer
    x = 11,522.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.